Streaming services have since removed Hellboy II or compressed it to unwatchable levels. Disney (who now owns the distribution rights via the Fox acquisition) has shown little interest in 4K HDR remasters.
For the ultimate Hellboy II experience, seek out the 4K UHD Blu-ray. If digital is your only option, use the search modifiers “Remux” or “High bitrate 1080p” alongside your favorite aggregator. And remember: In the words of Hellboy himself— "I'm not a very good shot, but I am big." Make sure your screen is, too. movies4uviphellboy ii the golden army 20 extra quality